2 layers85 × 75 mm

Geiger Counter
perpuchaty/MQTT-Geiger-Counter
Portable Geiger counter with WiFi and MQTT. Home assistant compatible
137 parts
Boards in 1 GitHub repository, designed in KiCad, that use the DI2579N by DIOTEC (-55℃~+150℃ 1.25W 15 1A 1V 1mA 400V NPN SOT-223 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the DI2579N’s symbol, footprint and pinout are on its own page.

perpuchaty/MQTT-Geiger-Counter
Portable Geiger counter with WiFi and MQTT. Home assistant compatible